Home / 1,420,256,739,910.20-2,130,169,857,272.80-386,540,300,829.72

Finding the Fourth Proportional to 1,420,256,739,910.20, 2,130,169,857,272.80 and 386,540,300,829.72

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Solution

The fourth proportional to 1,420,256,739,910.20, 2,130,169,857,272.80 and 386,540,300,829.72 is: 579,751,867,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,256,739,910.20 : 2,130,169,857,272.80 = 386,540,300,829.72 : x
  2. Step 2: Convert to fraction form
    1,420,256,739,910.20/2,130,169,857,272.80 = 386,540,300,829.72/x
  3. Step 3: Cross multiply
    1,420,256,739,910.20x = 2,130,169,857,272.80 × 386,540,300,829.72
  4. Step 4: Simplify right side
    1,420,256,739,910.20x = 823,396,497,448,629,727,920,128
  5. Step 5: Solve for x
    x = 823,396,497,448,629,727,920,128/1,420,256,739,910.20
  6. Step 6: Final answer
    x = 579,751,867,610.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.